[Opt-2.1] opt:sectionelse and opt:showelse renamed to opt:else. [Opt-2.1] Fixed ambiguous tag name in opt:if [Opt-2.1] Removed memory leak in section processing. [Opt-2.1] Added dispose() methods allowing to remove the compiler and all the related objects. [Opt-2.1] Fixed Array and Objective formats against sections. [Opt-2.1] New unit tests for opt:section [Opt-2.1] Small fixes in unit tests for components and general testing framework.
…runk; fixing the keyword recognition in expression lexer